Amazon is reportedly working on a payment system that will eliminate the need to hand over cash or a credit card. You’ll just have to hand over your hand. Is it a big deal when the world’s largest highest-valued company Amazon, who controls a nearly unimaginably large section of online...

An AI machine learning agent intended to transform aerial images into street maps and back was found to be cheating by hiding information it would need later in “a nearly imperceptible, high-frequency signal.”...

The millions of dots on the map trace highways, side streets and bike trails — each one following the path of an anonymous cellphone user. Take a good look at the top photo in this article, it’s deceiving. What looks like a stylized photo of New York City at...